The variable tranaglyph set is used to test and train the fusion and stereopsis.

This set included are great variety of tranaglpyhs for all kinds of measurements and trainings.

The tranaglyphs test, if there is binocular vision, and if fusion can be reached. Mainly, this product is used to train the peripheral and central fusion, as well as the stereopsis. The difficulty can be changed by sliding both overlays away from each other. A scale shows, which difficulty in prism diopters was reached.

Red-green goggles and fixation sticks are included.